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标题:API valves
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API valvesAPI 6D Valves Stockist, India API 6A Valve StockistDESIGN STANDARD: API 6D FACE TO FACE DIMENSIONS: ASME B 16.10Flange Dimensions : ASME B 16.5Testing Standard : API 6D/API 598MATERIAL OF CONSTRUCTION :1) Castings in Carbon steel to ASTM-A-216 Gr WCB, WCC, LCB, LCC2) Castings in Alloy Steel to ASTM-A-217 C5, WC6, WC9, WC123) Castings in Stainless Steel ASTM-A-351 Gr CF8/CF8M/CF8C/CF3/CF3M/CN7MSIZE RANGE : 50mm to 600mmPRESSURE RATING : 150Lb, 300Lb, 600Lb, 900Lb, 1500Lb, 2500LbENDS : Flanged, Buttweld, socketweldSALIENT FEATURES1) The valves are made from high quality body and bonnet castings with liberal sections.2) The valves of bigger size and higher pressure are provided with thrust bearings and with gear drive arrangements.3) The seat ring uses the floating seat ring structure with o-seal ring sealed and pre-tightening force applied to have inlet and outlet dual-way sealed; and the open- close moment with this structure is 1/2 that of the Common valves only, able to ligh
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